描述
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Stylized Vegetation Wind Shader URP
Bring your environment to life with a high-performance, stylized wind system optimized specifically for the Universal Render Pipeline (URP). This package offers a complete shading solution that blends beautiful cell-shaded aesthetics with physically responsive wind simulation, giving you total control over how grass, trees, and bushes behave in your game world.
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Key Features
Advanced Wind Controller Manage the weather dynamics of your entire scene through a single global "WindController" script. The system calculates wind behavior efficiently, allowing for complex movement without sacrificing performance.
Main Wind: Simulates the primary bending of vegetation based on wind strength, speed, and wave size.
Wiggle Effect: Adds a layer of secondary motion to simulate fast, sharp wind gusts or leaf tremors, creating a more organic and detailed look.
Global Turbulence: Utilizes global noise tiling and angle spreading to ensure wind direction and intensity vary naturally across the world, avoiding repetitive patterns.
Stylized Rendering & ShadingDesigned for artistic cohesion, the shader provides flexible tools to match your game's visual style.
Toon & Cell Shading: Use custom ramp textures (gradients) to define light falloff, easily achieving a flat "anime" look or a softer diffuse style.
Translucency: Simulates light passing through thin foliage with adjustable power and range controls, complete with translucent map support.
Normal Reconstruction: Optionally recalculate mesh normals in real-time during wind deformation to ensure accurate lighting and shading even when models are heavily bent.
Optimization & PerformanceBuilt to handle dense vegetation scenes.
GPU Instancing: Fully supports GPU instancing for shared meshes, which is highly recommended for rendering large numbers of plants efficiently.
LOD Friendly: Includes toggles for receiving shadows and normal reconstruction to optimize performance on lower Level of Detail (LOD) models.
Workflow & Model Preparation The system relies on Vertex Colors to precisely encode wind data, giving artists granular control over animation behavior.
Red Channel: Controls Wiggle strength (best used with a linear gradient from bottom to top).
Green Channel: Controls random time offsets for noise to desynchronize movement.
Blue Channel: Controls random angle offsets.
Alpha Channel: Controls Main Wind influence (solid colors recommended for branches, gradients for small plants).
Package Contents
Custom URP Shader.
WindController script for global management.
Debug tools to visualize noise textures and wind waves.
Requirements
Unity 2025.4 or higher.
Universal Render Pipeline (URP).
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Enjoy and thank you for downloading!
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